/*表格样式*/
table {
    padding: 0;
    border-collapse: collapse;
}
p, blockquote, ul, ol, dl, li, table, pre {
     margin: 15px 0;
}
/*表格默认行样式*/
table tr {
    /* border-top: 1px solid #cccccc; */
    background-color: white;
    margin: 0;
    padding: 0;
}
/*表格头部样式*/
table tr th {
    font-weight: bold;
    border: 1px solid #cccccc;
    margin: 0;
    padding: 6px 13px;
}

table tr td {
    border: 1px solid #cccccc;
    margin: 0;
    padding: 6px 13px;
}
/*偶数行数据选择器*/
table tr:nth-child(2n) {
    background-color: #f8f8f8;
}